/// <summary>
/// test if a key is pressed
/// </summary>
/// <example>
/// <code>
/// // test if F1 is currently pressed
/// bool pressed = Keyboard.IsKeyDown(Keys.F1);
/// </code>
/// </example>
/// <remarks>
/// http://msdn.microsoft.com/en-us/library/system.windows.forms.keys
/// </remarks>
/// <param name="key">key</param>
/// <returns>true/false</returns>
public static Boolean IsKeyDown(Keys key)
{
return(NativeMethods.GetAsyncKeyState(key) == Int16.MinValue);
}
/// <summary>
/// removes the global hook
/// </summary>
/// <remarks>
/// this is a private method. You cannot us it! See the constructor #ctor for an example.
/// </remarks>
private void unhook()
{
NativeMethods.UnhookWindowsHookEx(hhook);
}
/// <summary>
/// types a key or o sequence of keys to an application (by set the application to foreground)
/// </summary>
/// <example>
/// <code>
/// IntPtr hWnd = something;
/// Keyboard.Type("{ENTER}",hWnd); // click the enter button
/// Keyboard.Type("ENTER",hWnd); // types "E","N","T","E","R"
/// // or send it to a specific window
/// </code>
/// </example>
/// <remarks>
/// http://msdn.microsoft.com/en-us/library/system.windows.forms.sendkeys.aspx
/// </remarks>
/// <param name="Sequence">Sequence to type</param>
/// <param name="hWnd">target application</param>
/// <returns></returns>
public static void Type(String Sequence, IntPtr hWnd)
{
NativeMethods.SetForegroundWindow((IntPtr)hWnd);
SendKeys.SendWait(Sequence.Trim());
SendKeys.Flush();
}
/// <remarks>
/// this is a private method. You cannot us it! See the constructor #ctor for an example.
/// </remarks>
private void hook()
{
IntPtr hInstance = NativeMethods.LoadLibrary("User32");
hhook = NativeMethods.SetWindowsHookEx(NativeMethods.WH_KEYBOARD_LL, SAFE_delegate_callback, hInstance, 0);
}